Examine source code of Butterscotch Yellow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Butterscotch",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(244, 197, 130, 0.86)",
      "toolbar_text": "rgb(132, 66, 45)",
      "frame": "rgb(242, 234, 165)",
      "tab_background_text": "rgb(86, 54, 21)",
      "toolbar_field": "rgba(10, 9, 4, 0.21)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(172, 0, 255)",
      "popup": "rgb(217, 180, 137)",
      "popup_text": "rgb(124, 91, 27)",
      "tab_loading": "rgb(172, 0, 255)"
    }
  }
}